Front syringe attachment for hypodermic syringes for subcutaneous injection in veterinary medicine
US5364362A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1993 |
| Grant date | Nov 15, 1994 |
| Priority date | — |
| Expiry date | Feb 17, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3267
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A front syringe attachment is provided for mounting on a syringe cylinder of hypodermic syringes for subcutaneous injection, particularly for use in veterinary medicine, which substantially includes a first hollow-cylindrical barrel and a second hollow-cylindrical barrel of smaller diameter which is arranged in the latter in a telescoping manner, wherein the end of the first barrel facing the syringe cylinder is fastened to the syringe cylinder and the end of the second barrel facing the syringe cylinder can be pushed into the first barrel against a spring arranged in the first barrel, and the ends of the two barrels on the injecting side have a step-like or stair-like construction, wherein the end of the second barrel on the injecting side projects beyond the end of the first barrel on the injecting side in the rest position and completely covers the hypodermic needle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.